public override AstNode Visit(BlockNode node)
{
// Ignore pure declarations.
if(node.GetChildren() == null)
return node;
// Update the scope.
PushScope(node.GetScope());
// Visit the children.
VisitList(node.GetChildren());
// Restore the scope.
PopScope();
return node;
}
public override AstNode Visit(BlockNode node)
{
// Begin the node.
builder.BeginNode(node);
// Create the block lexical scope.
LexicalScope blockScope = (LexicalScope) node.GetScope();
node.SetScope(blockScope);
// Create the new basic block.
BasicBlock block = CreateBasicBlock();
block.SetName("block");
// Jump into the basic block.
builder.CreateJmp(block);
builder.SetBlock(block);
// Push the scope.
PushScope(blockScope);
// Visit the block children.
VisitList(node.GetChildren());
// Pop the scope.
PopScope();
// Create a merge block and jump into it.
if(!builder.IsLastTerminator())
{
BasicBlock mergeBlock = CreateBasicBlock();
mergeBlock.SetName("merge");
builder.CreateJmp(mergeBlock);
builder.SetBlock(mergeBlock);
}
return builder.EndNode();
}